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Data as of Nov 3, 2026

149.51.0.0/18

6,656 anonymizer addresses · 41%1 residential-proxy exit · 30 days

Cogent Communications, LLC

Announcement
149.50.0.0/15
No RPKI
Announced by
AS174
Type
Hosting
47% of it

Residential-proxy exits

Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 64
/24s with at least one exit
Providers
13
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

85 observations

Proxy providers listing exits

  • ByteProxies
  • Byteful
  • FlexyProxies
  • GSocks
  • Geonix
  • GonzoProxy
  • Infatica
  • MangoProxy
  • NodeProxy
  • NovaProxy
  • Proxy-Seller
  • Shifter
  • VitalExclusive
IPv4 market

Path

1 · Holder
Unnamed holder
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS174 Cogent Communications, LLC
since Sep 2006 · 20.1 yr ago
4 · Use
Hosting
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 149.51.0.0/18/24s
Rackdog
6,65641%
26
Leased from

Owners leasing their own space

NameIn 149.51.0.0/18/24s
Cogent Communications, LLC
6,65641%
26

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific

Announcements inside

Arrived
PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
149.51.0.0/21
since Jan 2025
AS3320ISP proxyIP broker RackdogCogent Communications, LLC
149.51.8.0/21
since Jan 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.8.0/23
since Sep 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.10.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.11.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.12.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.13.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.14.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.15.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.16.0/24
since Mar 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.17.0/24
since Mar 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.18.0/24
since May 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.19.0/24
since Sep 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.20.0/23
since Sep 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.21.0/24
since Mar 2026
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.22.0/24
since Sep 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.23.0/24
since Sep 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.32.0/24
since Mar 2023
AS7029ISP proxyIP broker RackdogCogent Communications, LLC
149.51.33.0/24
since Dec 2022
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.34.0/24
since Jan 2023
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.35.0/24
since Mar 2023
AS7029ISP proxyIP broker Rackdog1Cogent Communications, LLC
149.51.36.0/24
since Oct 2022
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.37.0/24
since Nov 2022
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.38.0/24
since Nov 2022
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.39.0/24
since Nov 2022
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.40.0/24
since Oct 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.41.0/24
since Feb 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.42.0/23
since Feb 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.42.0/24
since Dec 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.43.0/24
since Mar 2026
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.44.0/23
since Feb 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.46.0/24
since Feb 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.47.0/24
since Feb 2025
AS398465HostingIP broker RackdogCogent Communications, LLC
149.51.48.0/20
since Nov 2025
AS7029ISP proxy2,30456%IP broker RackdogCogent Communications, LLC
149.51.48.0/24
since Mar 2025
AS398465Datacenter proxyIP broker RackdogCogent Communications, LLC
149.51.49.0/24
since Mar 2025
AS398465Datacenter proxyIP broker RackdogCogent Communications, LLC
149.51.50.0/24
since Mar 2025
AS398465Datacenter proxyIP broker RackdogCogent Communications, LLC
149.51.51.0/24
since Mar 2025
AS398465Datacenter proxyIP broker RackdogCogent Communications, LLC
149.51.52.0/24
since Sep 28, 2026
AS398465Datacenter proxyCogent Communications, LLC
149.51.53.0/24
since Sep 28, 2026
AS398465Datacenter proxyCogent Communications, LLC
149.51.54.0/24
since Sep 28, 2026
AS398465Datacenter proxyCogent Communications, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
149.51.0.0/1665,536COGENT-149-51-16Cogent Communications, LLC (COGC) · USDirect AllocationJan 28, 1992[email protected]
└ 149.51.0.0/1816,384RACKDOG-CGNT-NET-10RCN (C11605108) · USReassignedMay 27, 2026[email protected]
via COGENT-149-51-16

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Hosting7,68047%28
ISP proxyanonymizer4,86430%4
Internet provider2,04813%1
Datacenter proxyanonymizer1,79211%7

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 149.50.0.0/15

Prefix
149.50.0.0/15
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Anonymizer addresses
none
Leased from
IP broker Rackdog (part)
Proxy exits
3,398
Always-on exits
980
RPKI
No RPKI
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the registry
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658